Segmented synchroniser clutch

A synchroniser clutch assembly comprises a clutch hub assembly (1; 101) which, in use, is non-rotatably but axially movably mounted on a torque delivery shaft (5). The hub is positioned between a pair of gears (10, 11) which is axially spaced from the hub assembly and which are journal mounted on th...

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Bibliographic Details
Main Authors ROBERTS, KEITH, SKIPPER, GARY
Format Patent
LanguageEnglish
French
German
Published 16.02.2005
Edition7
Subjects
BLASTING
BRAKES
CLUTCHES
COUPLINGS FOR TRANSMITTING ROTATION
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A synchroniser clutch assembly comprises a clutch hub assembly (1; 101) which, in use, is non-rotatably but axially movably mounted on a torque delivery shaft (5). The hub is positioned between a pair of gears (10, 11) which is axially spaced from the hub assembly and which are journal mounted on the shaft (5) so as to be rotatable independent thereof. The hub assembly (1; 101) has a conical friction surface (12, 13) formed thereon, and a synchroniser ring (15, 16) is positioned between the hub assembly (1; 101) and one of the gears (10, 11), the synchroniser ring being coupled to the gear for rotation therewith and having a complementary conical friction surface (19, 20) formed thereon which is engageable with the conical friction surface (12, 13) of the hub (1; 101) in order create a drive coupling therebetween. Each synchroniser ring (15, 16) is composed of a plurality of separate arcuate segments (15a, 15b, 15c, 15d) arranged in a ring, which segments are movable between a first expanded configuration in which the synchroniser ring (15) has a first radius and a second contracted configuration in which the ring (15) has a second radius. Movement of the hub assembly (1; 101) towards the gear (10, 11) urging the segments (15a, 15b, 15c, 15d) of the or each synchroniser ring, into one of said first and second configurations so that the conical friction surface (19, 20) of the ring is pressed against the friction surface of the one or the hub assembly and the gear assembly (10, 11), thereby drivingly coupling the hub assembly (1; 101) to the gear assembly (10, 11).
Bibliography:Application Number: EP20040254048